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Browse through mission documentation and reports, and learn more about European Space Agency Earth Observation projects and opportunities.

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  • Document - Newsletter

    Earth-Online-Newsletter-5-August-2022.pdf 5 Aug 2022

    Document - Newsletter

    Earth-Online-Newsletter-5-August-2022.pdf

    This issue of the Earth Online Newsletter covers a selection of the latest news and events from ESA.

  • Document - Newsletter

    Earth-Online-Newsletter-1-April-2022.pdf 1 Apr 2022

    Document - Newsletter

    Earth-Online-Newsletter-1-April-2022.pdf

    This issue of the Earth Online Newsletter covers a selection of the latest news and events from ESA.

  • Document - Technical Note

    ENVISAT-MERIS-Changes-in-the-Level-1-and-Level-2-products.pdf 11 June 2021

    Document - Technical Note

    ENVISAT-MERIS-Changes-in-the-Level-1-and-Level-2-products.pdf

    This document provides a precise of the nature of the changes in the Level 1 and Level 2 products for the MERIS instrument on the ENVISAT mission.

  • Document - Product Cal/Val Plan/Report

    ENVISAT-MERIS-Accuracy-of-the-3rd-reprocessing-results.pdf 11 June 2021

    Document - Product Cal/Val Plan/Report

    ENVISAT-MERIS-Accuracy-of-the-3rd-reprocessing-results.pdf

    This document provides an overview of the Accuracy of the changes made during the 3rd Reprocessing.

  • Document - Conference Presentation - Poster

    D3T3a_Schmullius_LTC2013.pdf 21 Oct 2020

    Document - Conference Presentation - Poster

    D3T3a_Schmullius_LTC2013.pdf

    D3T3a Forest & Agriculture C. Schmullius

  • Document - Product Cal/Val Plan/Report

    Absolute calibration of ASAR Level 1 products generated with PF-ASAR 1 Mar 2019

    Document - Product Cal/Val Plan/Report

    Absolute calibration of ASAR Level 1 products generated with PF-ASAR

    The aim of this document is to describe the absolute calibration of high rate ASAR Level 1 products generated by ESA using the ASAR Processing Facility.

  • Document - Technical Note

    ASAR AP Product Update 1 Mar 2019

    Document - Technical Note

    ASAR AP Product Update

    The aim of this document is to describe the changes that were made at the end of May 2009 to the ENVISAT ASAR alternating polarisation (AP) swaths characteristics. These changes were made to avoid unplanned shut-downs of the ASAR instrument that have occurred since launch when acquiring AP data.

  • Document - Product Cal/Val Plan/Report

    Cal-Val evaluation of REAPER ERS altimeter data 1 Mar 2019

    Document - Product Cal/Val Plan/Report

    Cal-Val evaluation of REAPER ERS altimeter data

    The aim of this document is to present the results of the mission performance analysis performed at CLS on REAPER products. The final goal of this activity is to validate the REAPER processing scheme before performing a full reprocessing of altimeter data for the ERS-1 and ERS-2 missions.

  • Document - Product Specifications

    Annex D- SAR PRI CCT and Exabyte Format Specification 1 Mar 2019

    Document - Product Specifications

    Annex D- SAR PRI CCT and Exabyte Format Specification

    The document concerns the SAR.PRI product (SAR Precision Image). This is a digital image which is generated from raw SAR data, using-up-to-date auxiliary parameters, corrected for antenna elevation, gain and range spreading loss.

  • Document - Technical Note

    ENVISAT RA-2 and MWR Products and Algorithms User Guide 1 Mar 2019

    Document - Technical Note

    ENVISAT RA-2 and MWR Products and Algorithms User Guide

    The document is a brief guide for users to the ENVISAT 2nd generation Radar Altimeter (RA-2) and Microwave Radiometer (MWR) engineering (Level 1B) and geophysical (Level 2) Products Algorithms. Its immediate purpose is to convey basic information to users. The RA-2/MWR Product Handbook, which is now being drafted, will contain full details of the information needed by the users to exploit the RA-2/MWR data products.

  • Document - Product Cal/Val Plan/Report

    Final report of the Envisat Quality Assessment with Lidar (EQUAL) project 1 Mar 2019

    Document - Product Cal/Val Plan/Report

    Final report of the Envisat Quality Assessment with Lidar (EQUAL) project

    The document is the final report of the EQUAL project. This project has supported and performed the quality assessment of ozone and temperature profiles retrieved from GOMOS, MIPAS and SCIAMACHY (ozone) data using lidar data during the period 2004-2007

  • Document - Conference Presentation - Poster

    The extension of the ENVISAT Atmospheric-Chemistry missions beyond 2010 1 Mar 2019

    Document - Conference Presentation - Poster

    The extension of the ENVISAT Atmospheric-Chemistry missions beyond 2010

    The extension of the ENVISAT Atmospheric-Chemistry missions beyond 2010: status and perspectives - Poster about the ENVISAT Atmospheric-Chemistry instruments presented at the European Geosciences Union General Assembly 2011 (Vienna 03 - 08 April 2011)

  • Document - Conference Presentation - Poster

    The ENVISAT Atmospheric Chemistry missions 1 Mar 2019

    Document - Conference Presentation - Poster

    The ENVISAT Atmospheric Chemistry missions

    The ENVISAT Atmospheric Chemistry missions: Monitoring Status and Evolution - Poster about the ENVISAT Atmospheric-Chemistry instruments presented at the ASC Atmospheric Science Conference 2009 (Barcelona 7 - 11 Sep 2009)

  • Document - Conference Presentation - Poster

    The ENVISAT-ESA Atmospheric-Chemistry dataset 1 Mar 2019

    Document - Conference Presentation - Poster

    The ENVISAT-ESA Atmospheric-Chemistry dataset

    The ENVISAT-ESA Atmospheric-Chemistry dataset: operational data availability and re-processing status - Poster about the ENVISAT Atmospheric-Chemistry instruments presented at the European Geosciences Union General Assembly 2011 (Vienna 03 - 08 April 2011)

  • Document - Technical Note

    Envisat Mission Extension Instrument Switching Plan 1 Mar 2019

    Document - Technical Note

    Envisat Mission Extension Instrument Switching Plan

    The Envisat mission extension beyond 2010 implies the satellite altitude to be decreased through a series of in-plane manoeuvres. This document has been issued following the Orbit Change Operational Plan Work Package WP.E2.1.FOS.1080 and describes the Envisat instrument activities that shall be carried out before, during and after the altitude reduction.

  • Document - Technical Note

    Envisat Mission Extension Mini Commissioning Plan 1 Mar 2019

    Document - Technical Note

    Envisat Mission Extension Mini Commissioning Plan

    The Envisat mission extension beyond 2010 implies the satellite altitude to be decreased through a series of in-plane manoeuvres. This document has been issued following the Orbit Change Operational Plan Work Package WP.E2.1.FOS.1090 and outlines all recommended checks and activities aiming at verifying the nominal state of each instrument post orbit lowering, and/or as soon as the science data generation is resumed.

  • Document - Technical Note

    Envisat Mission Extension Spacecraft Operations Timeline 1 Mar 2019

    Document - Technical Note

    Envisat Mission Extension Spacecraft Operations Timeline

    The Envisat mission extension beyond 2010 implies the satellite altitude to be decreased through a series of in-plane manoeuvres. This document has been issued following the Orbit Change Operational Plan Work Package WP.E2.1.FOS.1100 and describes the Envisat instrument, PEB and SM activities that shall be carried out before, during and after the altitude reduction.

  • Document - Technical Note

    The Influence of Orbit Precision in the Quality of ERS SAR Interferometric Data 1 Mar 2019

    Document - Technical Note

    The Influence of Orbit Precision in the Quality of ERS SAR Interferometric Data

    The Influence of Orbit Precision in the Quality of ERS SAR Interferometric Data.

  • Document - User Guide

    Envisat Mission CFI Software PPF_Orbit Software User Manual 1 Mar 2019

    Document - User Guide

    Envisat Mission CFI Software PPF_Orbit Software User Manual

    The Software User Manual (SUM) of the Envisat-1 mission CFI software is composed of a general document describing the sections common to all the CFI software libraries and a specific document for each of those libraries. This document is the PPF ORBIT Software User Manual. It provides a detailed description of the use of the CFI functions included within the PPF_ORBIT CFI software library.

  • Document - General Reference

    ERS - Envisat Symposium - Looking down to Earth in the New Millennium 1 Mar 2019

    Document - General Reference

    ERS - Envisat Symposium - Looking down to Earth in the New Millennium

    The abstracts from the ERS-Envisat Symposium "Looking down to Earth in the new Millennium", which took place in Gothenburg, Sweden, from 16 to 20 October 2000 are presented here.